Top Definition
NYFU (Nye-Foo)
1. Now You Fucked Up!
2. Performing an act that is highly intolerable to everyone around that had no participation in the act performed.
Tool: "Oh no, I took one of your cold beers from the fridge and i spilled it everywhere!"
Cool person: "...NYFU!"
by iHate Tools June 17, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.